您要查找的是不是：
- In a vertical or perpendicular line. 垂直地在一条垂直线或竖直线上
- The perpendicular line through a given segment's mid point. 这条垂线通过给定线段的中点(中垂线)。
- Horizontal line, perpendicular line, arc line matchs nature is properly. 横线条、竖线条、弧线条搭配得自然得当。
- Two perpendicular lines are chosen as the x and y coordinate axes. 选两条垂线作为x和y坐标轴。
- Drag to add perpendicular lines with adjustable chamfer size. 拖动此形状，可添加切角可调的垂直线。
- Drag to add perpendicular lines with adjustable line lengths. Right angle box can be shown or hidden. 拖动此形状，可添加线长可调的垂直线。可以显示或隐藏直角框。
- Drag onto the page to add perpendicular lines with adjustable line lengths. Right-click to show right angle box. 拖到绘图页上，可添加线长可调的垂直线。右击可以显示直角框。
- Construct an animation of the deltoid sliding on two mutually perpendicular lines. 建构一动态绘图：展示三角线沿著互相垂直的两轴滚动。
- Construct an animation displaying a cardioid sliding along two fixed mutually perpendicular lines. 建构一动态绘图。展示心脏线的滚动，沿著互相垂直的两轴。
- At the same time,the duality propositions of the angular bisector,two perpendicular lines,the length of the line segment,the distance between a point and a line in Euclidean geometry,were also established. 在欧氏几何中建立起了角平分线,两条直线垂直、线段长度、点到直线的距离的对偶命题。
- Three perpendicular line theorems 三垂线定理
- perpendicular line calculated method 垂线计算法
- One of three mutually perpendicular lines that define the orientation of an aircraft, with one being along its direction of travel and the other two being perpendicular to the direction of travel. 导向轴决定飞机方位的三条相互垂直线中的一条，一条沿着飞行的方向，其它两条垂直于飞行的方向
- Dutch painter whose works, characterized by intersecting perpendicular lines and planes of primary colors, and writings, notably Neoplasticism(1920), profoundly influenced the development of abstract art. 蒙得里安，皮特1872－1944荷兰画家，作品以交错的三原色为基色的垂直线条和平面为特点，他的著作包括新造型主义（1920年），对抽象艺术的发展曾经产生很深影响
- The wall is a little out of the perpendicular. 那墙有点斜。
- Dutch painter whose works,characterized by intersecting perpendicular lines and planes of primary colors,and writings,notably Neoplasticism(1920),profoundly influenced the development of abstract art. 蒙得里安，皮特1872－1944荷兰画家，作品以交错的三原色为基色的垂直线条和平面为特点，他的著作包括新造型主义（1920年），对抽象艺术的发展曾经产生很深影响。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- The valley ended in a perpendicular rim of granite. 那山谷的尽头是花岗石的断崖。
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- The printers have missed out a whole line here. 排版工人在这里漏掉了一整行。
